[21:20:35 INFO]: DarkP4nda issued server command: /join1
[21:20:35 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'join1' in plugin jm v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.10.2.jar:git-Spigot-e0e1771-5e5cf8
4]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[spigot-1.10.2.jar:git-Spigot-e0e177
1-5e5cf84]
        at org.bukkit.craftbukkit.v1_10_R1.CraftServer.dispatchCommand(CraftServer.java:646) ~[spigot-1.10.2.jar:git-Spi
got-e0e1771-5e5cf84]
        at net.minecraft.server.v1_10_R1.PlayerConnection.handleCommand(PlayerConnection.java:1351) [spigot-1.10.2.jar:g
it-Spigot-e0e1771-5e5cf84]
        at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1186) [spigot-1.10.2.jar:git-Spigot-e0
e1771-5e5cf84]
        at net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.10.2.jar:git-Spigot-e0e1
771-5e5cf84]
        at net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.10.2.jar:git-Spigot-e0e17
71-5e5cf84]
        at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.10.2.jar:git-Spigot-e0e177
1-5e5cf84]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_91]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_91]
        at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45) [spigot-1.10.2.jar:git-Spigot-e0e1771-5e5cf84]
        at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732) [spigot-1.10.2.jar:git-Spigot-e0e17
71-5e5cf84]
        at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot-1.10.2.jar:git-Spigot-e0e17
71-5e5cf84]
        at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668) [spigot-1.10.2.jar:git-Spigot-e0e17
71-5e5cf84]
        at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567) [spigot-1.10.2.jar:git-Spigot-e0e
1771-5e5cf84]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
Caused by: java.lang.NullPointerException
        at me.glasfaser.areas.Commands.onCommand(Commands.java:56) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.10.2.jar:git-Spigot-e0e1771-5e5cf8
4]
        ... 15 more
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